Medical Quiz

ADVBIO Genetics Quiz


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B = brown eyes

b = blue eyes

One brother has genotype BB and the other brother has genotype Bb.

Which statement is true about these two brothers?

A. They have same phenotype and genotype

B. They have different phenotypes and genotypes

C. They have same phenotype, but different genotypes

D. They have different phenotypes, but the same genotype


organism homozygous for a specific trait

A. recessive

B. purebred

C. hybrid

D. dominant


Which factor can affect the epigenome?

A. nutrition

B. exercise

C. stress

D. all of these factors can affect the epigenome


How many daughter cells are produced from meiosis ?

A. 10

B. 6

C. 4

D. 2


If there is a cross of a red and white chicken, and the trait is co-dominant, what will be the result?

A. a pink chicken

B. a red and white chicken

C. a red chicken

D. a white chicken


This is a pedigree that follows blue eyes which is a recessive trait. What are the genotypes of II-1 and II-2?

A. Aa, AA

B. aa, aa

C. AA, AA

D. Aa, Aa


KEY:

Type A= AA or AO

Type B = BB or BO

Type AB = AB

Type O = OO

If two parents have type AB blood, what is the probability that their child will have type O blood?

A. 0%

B. 25%

C. 50%

D. 100%


In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

a. Tall = T
Short = S

b. Tall = T
Short = t

c. Tall = t
Short = T

d. Tall = TT
Short = tt


Complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed

A. simple dominance

B. sex-linked trait

C. co-dominance

D. incomplete dominance


A heterozygous individual would have a genotype of

A. AA

B. Aa

C. XhXh

D. AABB


What you see, or the physical appearance.

A. Genotype

B. Phenotype

C. Homozygous

D. Heterozygous


organism heterozygous for a specific trait

A. recessive

B. purebred

C. hybrid

D. dominant


What percentage will have homozygous dominant genotypes?

A. 0%

B. 25%

C. 75%

D. 100%


parent 1: GgBB

Find the gametes for parent 1 for a dihybrid cross.
_
A. GB, GB, gB, gB

B. gB, gb, gB, gb

C. Gg, BB, GB, GB

D. gg, Bb, gB, gb


Different forms of a gene are called

A. alleles

B. traits

C. genotypes

D. chromosomes


KEY:

Type A= AA or AO

Type B = BB or BO

Type AB = AB

Type O = OO

If a father is AA and a mother is AB, what is the probability for a child with AB blood?

A. 0%

B. 25%

C. 50%

D. 75%


A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.

This cross would be
_
A. BBEE x bbee

B. BBEe x BbEe

C. BbEE x BbEe

D. BBee x BBEE


Normal humans have 46 chromosomes in their somatic cells. How many chromosomes do the gametes have?

A. 46

B. 23

C. 12

D. 92


Which is the correct phenotypic % for the following Punnett square if T=tall and t=short

A. 100% tall

B. 100% short

C. 50% tall, 50% short

D. 75% tall, 25% short


Cross two homozygous plants

(RRYY x rryy)

R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds

What percent will have Round and Yellow seeds?

A. 0%

B. 25%

C. 50%

D. 100%


What percentage of the offspring will have recessive homozygous genotypes?

A. 0%

B. 25%

C. 50%

D. 100%


This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the father in generation 1?

A. Aa

B. AA

C. aa

D. A?- cannot determine


A complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed

A. simple dominance

B. sex-linked trait

C. co-dominance

D. incomplete dominance


What percentage will be tall offspring if B=tall and b=short?

A. 0%

B. 25%

C. 50%

D. 100%


Two alleles are different

A. homozygous

B. heterozygous

C. co-dominant

D. dihybrid




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